<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    // const o = { uname: '佩奇', age: 6, slogon: '会有明天的！' }
    // console.log(Object.keys(o));
    // console.log(Object.values(o));
    // console.log(Object.assign(o, { gender: '女' }));
    // const arr = {}
    // Object.assign(arr, o)
    // console.log(arr);

    const arr = [{
      name: '张三',
      salary: 10000
    }, {
      name: '李四',
      salary: 10000
    }, {
      name: '王五',
      salary: 20000
    },
    ]
    // const total = arr.reduce(function (prev, current) {
    //   return prev + current.salary
    // }, 0)
    // console.log(total);
    const total = arr.reduce((prev, current) => prev + current.salary * 1.3, 0)
    console.log(total);
  </script>
</body>

</html>